Van Jones

CEO of REFORM Alliance, CNN host, Emmy Award-winning Producer & NY Times Best-Selling Author

Andrew Behar

CEO of As You Sow

Jennifer Wilcox

Presidential Distinguished Professor of Chemical Engineering and Energy Policy at the University of Pennsylvania

The Farm of the Future / Session III: Jennifer WIlcox

Dr. Sylvia Hood Washington

Chief Environmental Research Scientist at Environmental Health Research Associates, LLC.

Ryan Panchadsaram

Advisor at Kleiner Perkins; Former U.S. Deputy Chief Technology Officer for the White House; Co-Author of Speed & Scale

Robert Bryce

Energy Expert, Veteran Journalist & Acclaimed Author

David Suzuki

Environmentalist & Scientist; Co-Founder of the David Suzuki Foundation

Al Gore

45th Vice President of the United States, Nobel Peace Laureate & Bestselling Author

Danny Cullenward

Energy Economist & Lawyer

Marcelo Mena Carrasco

Former Environment Minister of Chile

Jamie Margolin

Climate Change Activist; Author; Founder & Co-Executive Director of Youth-Led Climate Action Group "Zero Hour"

Benjamin Strauss

Chief Scientist, President & CEO of Climate Central

Tatiana Schlossberg

Award-Winning Journalist, Environmentalist, Author of "Inconspicuous Consumption: The Environmental Impact You Don't Know You Have" & Granddaughter of JFK

Dr. Douglas Vakoch

Founder & President of METI—Messaging Extraterrestrial Intelligence

Bob Kopp

Climate Scientist, Geobiologist & Climate Policy Scholar at Rutgers University

Winnie Byanyima

Executive Director of UNAIDS and an Under-Secretary-General of the United Nations; Former Executive Director, Oxfam International

Kartik Chandran

Environmental Engineer & Professor at Columbia University

Andrew Hoffman

Holcim (US) Professor of Sustainable Enterprise at the University of Michigan

Mark Steyn

Author and Commentator, Leading Canadian Human Rights Activist

Bruno Sánchez-Andrade Nuño

PhD, Data Scientist at World Bank Group, Young Global Leader

Matthew Kahn

Professor of Economics, UCLA Institute of the Environment

Joseph Romm

Author, Blogger, Physicist & Climate Expert

Naomi Oreskes

Geologist & Earth Science Historian

Dickon Pinner

Senior Partner & Leader of the Resource Productivity Practice at McKinsey & Company; Sustainability Activist

David Crane

Strategic Advisor Executive at Pegasus Capital Advisors; Former President & CEO of NRG Energy, Inc.; Climate Advocate

Daniel Pauly

Daniel Pauly is the principal investigator at the Sea Around Us Project, which studies the impact of the world's fisheries on marine ecosystems. The software he's helped develop is used around the world to model and track the ocean.

Jonathan Trent

Former Director of Offshore Membrane Enclosures for Growing Algae; Founder of UpCycle Systems

Mark Tercek

Former President & CEO of The Nature Conservancy

Leonardo DiCaprio

Award-Winning Actor & Environmentalist

Harvey Wasserman

Journalist, Author, Democracy Activist & Advocate for Renewable Energy